There is a tad more science in HIIT work-outs, e.g. duration of HI, duration of recovery, number of repeats, structure of those 45-60 minutes. Same with running interval training, it's not just fast...

Yawn, same old same old. I have been eating nothing until 5pm, going on two years. My routine includes running, hiking, cycling, spin and hot yoga. Sundays I'll do brunch to be social, but I'll feel...

Probably not as much as most people think But it may be an effective gateway to a healthier lifestyle and hi intensity/long duration workouts, ones that burn 1000s of calories. You may end up riding...

It tends to be a catch-22, if you can't do hill repeats then you can't make much progress in developing your climbing fitness. One answer is spin class, do it right and you will develop leg strength...